Home / 18,664,150.59-27,990,171.30-7,149,005.10

Finding the Fourth Proportional to 18,664,150.59, 27,990,171.30 and 7,149,005.10

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Solution

The fourth proportional to 18,664,150.59, 27,990,171.30 and 7,149,005.10 is: 10,721,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,150.59 : 27,990,171.30 = 7,149,005.10 : x
  2. Step 2: Convert to fraction form
    18,664,150.59/27,990,171.30 = 7,149,005.10/x
  3. Step 3: Cross multiply
    18,664,150.59x = 27,990,171.30 × 7,149,005.10
  4. Step 4: Simplify right side
    18,664,150.59x = 200,101,877,373,573.62
  5. Step 5: Solve for x
    x = 200,101,877,373,573.62/18,664,150.59
  6. Step 6: Final answer
    x = 10,721,188.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.